Run results for: regex vs string replaceAll

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:135.0) Gecko/20100101 Firefox/135.0

Browser: Firefox 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

string

11.7M/s

regex

3.2M/s

View exact numbers

Test name	Executions per second
✓ string	11,712,674 Ops/sec
regex	3,228,646 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

var str = 'Hello {first} {last}. Your first name is {first} and last name is {last}.'

Tests:

regex
str = str.replaceAll(new RegExp('{first}', 'g'), 'John') str = str.replaceAll(new RegExp('{last}', 'g'), 'Doe')
string
str = str.replaceAll('{first}', 'John') str = str.replaceAll('{last}', 'Doe')